"." isn't enough to get a private label on linux, use ".L".

llvm-svn: 26327
diff --git a/llvm/lib/Target/X86/X86AsmPrinter.cpp b/llvm/lib/Target/X86/X86AsmPrinter.cpp
index c3a873a..bd96cb9 100644
--- a/llvm/lib/Target/X86/X86AsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86AsmPrinter.cpp
@@ -45,6 +45,7 @@
   const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>();
   
   forDarwin = false;
+  PrivateGlobalPrefix = ".L";
   
   switch (Subtarget->TargetType) {
   case X86Subtarget::isDarwin: